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by lotsofpulp 2035 days ago
> Upload speeds aren't that bad, they're usually around 1/4 of download speeds. I had 125mbps Comcast for years and the upload speed was around 30mbps.

I don’t believe this. I have never been able to find any upload specs from any cable coaxial internet provider. In addition, the multitude of homes with Comcast I’ve been in crap out after a couple simultaneous FaceTime calls.

If Comcast is capable of giving you 30mbps upload consistently throughout the day, you must be super lucky. If they actually budgeted for this for everyone, they would advertise it. But since they don’t, the only conclusion is they massively oversubscribe the upload.

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I know their network varies greatly from market to market but, in my experience across 3 markets and 15 years, they always delivered what they advertised. That's not to say the prices were fair or the speed was good, just that it was what was sold.

At one point I was running 4 Nest Cameras that were uploading to the cloud at a constant 27mbps. I was running a Unifi Gateway and religious compared my bandwidth consumption with what Comcast reported and they always erred on under reporting.

Their data caps a complete bullshit though designed to extract revenue from anyone who wasn't a cable tv subscriber.

Interesting. I wonder why they wouldn’t advertise their upload speeds then. I’ve called Comcast about numerous locations and they would never promise me any upload performance, which I take to mean that they are not willing to upgrade their network in the event people saturate it, or more houses are added to the neighbors.
I'm guessing that, up until streaming started to take off, it was mostly irrelevant because it was, and still is for many, sufficient.

Having asymmetrical channel bonding allows cable providers to use cheaper equipment and still offer gigabit download speeds.